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BP2139 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BP2139: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCARBONATE, body_thickness: 0.125 INCHES NOMINAL IN, features_provided: SPECIAL MARKING, securing_device_type: SPECIAL, cross-sectional_shape_style: FLAT, material_document_and_classification: MIL-P-46144,TYPE 1,GRADE B,CL 2 NATURAL MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-210-9149, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
BP2139
NSN: 5340-01-210-9149
FSC: 5340 — Hardware, Commercial
CAGE: 27361 — BURKE PRODUCTS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYCARBONATE
body_thickness0.125 INCHES NOMINAL IN
features_providedSPECIAL MARKING
securing_device_typeSPECIAL
cross-sectional_shape_styleFLAT
material_document_and_classificationMIL-P-46144,TYPE 1,GRADE B,CL 2 NATURAL MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-210-9149
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BP2139 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-46144,TYPE 1,GRADE B,CL 2 NATURAL MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
FEATURES PROVIDED: SPECIAL MARKING
•
SECURING DEVICE TYPE: SPECIAL
•
MATERIAL: PLASTIC POLYCARBONATE
•
BODY THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-46144,TYPE 1,GRADE B,CL 2 NATURAL MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
FEATURES PROVIDEDSPECIAL MARKING
SECURING DEVICE TYPESPECIAL
MATERIALPLASTIC POLYCARBONATE
BODY THICKNESS0.125 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 3
SIB-463Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5828000Reference document
Same NSN cross-reference
Reference document — Secondary reference
SI-10192Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BP2139?
BP2139 is a COVER,ACCESS.
What parts can replace BP2139?
There are 3 known substitutes for BP2139: SIB-463, 5828000, SI-10192. Substitute compatibility should be verified for your specific system.
What is the NSN for BP2139?
BP2139 is cataloged in the U.S. Government catalog under NSN 5340-01-210-9149. This indicates validated use in U.S. government and defense supply chains.
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